Improvement in wood pavements



. c. Todalliivhon, it may concer-nai l i ,p `ff-.e it'knowuthat 1,-1DUNOAN MOKENZIE, of Brooklyn, in the county ofKings and State of`New York, 'haveinvented :a` newJ and `useful Improvement `in Pavements, of which the following is a full, clear, andv parts. y i

@wat dimite.

vDuNoAN MQKENZIE, or BROOKLYN, NEW YORK.'

` LeaersPazmNo.105,707,11aad.razyzalsrd i y IMPRQYEMENT INntroon'zeAvE'MENTS.`

4 ,TPB Sehedixleeferred to in these Letters Patent and making part of the same.

exact,description,` reference ,being had to the accompaflying dl'bwng forming partof this specification, and in whichl l y U lFigure .l represents la planl of 'a section of a `pavement, constructed inaccordance with my improvement. l l l Figure 2, a sectional elevation of the same, taken as indicated by the line x x,`in fig. 1; and

\ y 1 Figure 3,a similarl view, at rightangles to fig. 2, `taken. as indicated bythe Lline y y.

i Figure 4 is `an end view thereof.

` Similarlettersof referencefindicatc corresponding j My inventionconsi'sts inal certain combination of wblocks, foundatonsplanks, .and :locking-cleats, rela "tively tothe sleepers on which the `foundationA planks that areunited to the` blocks rest, whereby a simple .and durable open-workipavemeut is produced,having "its bottomexposed tothe4 moisture ofthe ground, to l l "assist inthe preservation ofitaud great facility is l afforded for taking up and laying down the pavement.

Referring to the accompanying drawing- A `A represent blocks, preferably vof lrectangular form, l.arranged .in parallel rows, and consisting ot' anyl 1 number of blocks in a row, said blocks resting ou and bengsecured to foundation planks, B B, which -run in thesame directionas the rows, that is, crosswise of the street, and which lie at suitable distances apart,

to form spaces,`b, for `the introduction of concrete or other filling between the rowsfof blocks and their foundation planks. i

' lheseplanks rest on sleepers C O, and are secured thereto by bevel edged locking-cleats, D D, nailed to the sleepers, and arranged to `overlap the edges, c c, of the planks.

`In putting down thepavementthe blocks A A are first nailed onto the planks B B from the under side 1 of the"latter. A plank, haring a row of blocks thus `'secured to it, is the-n laid onthe sleepers O O, with its one edge up against and in lockwith the cleats D D, which lie on the saine side as said edge. vOther Vcleats D D are then applied, to the opposite edge of the plank, and, after being'suitably driven up against the latter, nailed to the sleepers. 'After this another plank, with its row of blocks, is driven up against the last set'of cleats, and secured on its opposite-edge hy a further set ofcleats, and so on in successiointhe planks and cleats succeeding each other.

-To take out a row of the blocks, with its foundation plate, itisonlynecessary to knock otfthc cleats on the one edge of the plank.

The road being graded up to thetops of the sleep ers, the foundation planks are exposed to the moisture of the ground, which preserves them.

In a pavement constructed as described, too, the

`blocks carry their own foundation.`

What is here claimed, and desired to be secured by Letters Patent, is- ,Y t

The combination and arrangement of the blocks A A, andtheir foundation planks B, having beveling or overlapping edges as described, with the locking-cleats D D and sleepers C 0, substantially as specified.

DUN GAN MCKENZIE.

, Witnesses: i

y FRED. HAYNES,

FRED. Toso-H. 

